Jefferson is located in south Wisconsin. Jefferson is part of Jefferson County. Jefferson has 5.72 square miles of land area and 0.21 square miles of water area. As of 2010, the total Jefferson population is 7,973, which has grown 8.65% since 2000. The population growth rate is higher than the state average rate of 6.03% and is lower than the national average rate of 9.71%. Jefferson median household income is $45,858 in 2008-2012 and has grown by 11.95% since 2000. The income growth rate is much lower than the state average rate of 20.18% and is much lower than the national average rate of 26.32%. Jefferson median house value is $153,700 in 2008-2012 and has grown by 36.26% since 2000. The house value growth rate is lower than the state average rate of 50.62% and is lower than the national average rate of 51.67%. As a reference, the national Consumer Price Index (CPI) inflation rate for the same period is 26.63%. On average, the public school district that covers Jefferson is worse than the state average in quality. The Jefferson area code is 920.